Base | Representation |
---|---|
bin | 11001010010101000… |
… | …00011101000011000 |
3 | 1022001021110011101012 |
4 | 30221110003220120 |
5 | 210301433303441 |
6 | 10123200113052 |
7 | 660322212110 |
oct | 145124035030 |
9 | 38037404335 |
10 | 13578025496 |
11 | 5838494582 |
12 | 276b305788 |
13 | 1385075519 |
14 | 92b432040 |
15 | 54707d9eb |
hex | 329503a18 |
13578025496 has 64 divisors (see below), whose sum is σ = 29480431680. Its totient is φ = 5742604800.
The previous prime is 13578025453. The next prime is 13578025501. The reversal of 13578025496 is 69452087531.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1789166 + ... + 1796738.
It is an arithmetic number, because the mean of its divisors is an integer number (460631745).
It is a 1-persistent number, because it is pandigital, but 2⋅13578025496 = 27156050992 is not.
Almost surely, 213578025496 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 13578025496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14740215840).
13578025496 is an abundant number, since it is smaller than the sum of its proper divisors (15902406184).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13578025496 is a wasteful number, since it uses less digits than its factorization.
13578025496 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8004 (or 8000 counting only the distinct ones).
The product of its (nonzero) digits is 1814400, while the sum is 50.
The spelling of 13578025496 in words is "thirteen billion, five hundred seventy-eight million, twenty-five thousand, four hundred ninety-six".
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